as...as-比较级-最高级.ppt

as.as.,比较级,最高级,3.Timisthetallestofthethree.,1.Lucyisastallasatree.,2.SallyistallerthanBen.,3.Timisthetallestofthethree.,1.Lucyisastallasatree.,2.SallyistallerthanBen.,as.as.,比较级,最高级,1.Lucyisastallasatree.,asas像一样,两个人或事物的比较,AbeasasB.,1.as和as中间要加形容词2.be动词要随着A变化3.Chineseleft等词不能用在asas中间,astallasatreeasgreenasgrassasbigasanelephantasblackasasheepassmallasanantaswhiteassnowasredasanappleascoldasiceasquietasamouseashappyasabird,她的脸和苹果一样红。他们像树一样高大。地面像雪一样白。它和大象一样大。,Theyareastallasatree.,Thefloorisaswhiteassnow.,Itisasbigasanelephant.,Herface,is,asredas,anapple.,round,square,loud,strong,weak,fat,new,thin,hungry,thirsty,quick,fast,slow,hot,cold,tired,famous,different,interesting,straight,curly,dirty,clean,beautiful,pretty,big,small,angry,lovely,exciting,Theclockisasroundasanorange.,2.SallyistallerthanBen.,A+be+形容词比较级+than+B（比较对象）.,两个人或事物之间进行比较。,1.直接+er2.以不发音的e结尾，直接+r3.以“辅元辅”结尾，双写最后一个字母+er4.以辅音+y结尾，变y为i+er5.较长的词前+more,easier,prettier,happier,thirstier,dirtier,morebeautiful,moreinteresting,taller,longer,younger,faster,nicer,larger,later,wider,cuter,fatter,bigger,redder,thinner,sadder,long_wide_fat_heavy_slow_happy_exciting_different_,longer,wider,fatter,heavier,slower,happier,moredifferent,moreexciting,YaoMingis_.,tallerthanLiuXiang,Thebrowncar_.,isnicerthantheredone,Markis_.,thinnerthanLiuYifei,3.Timisthetallestofthethree.,主语+Be动词+the+形容词最高级+比较的范围意为“最”,形容词最高级用于同类三个或三个以上的人或事物的比较,1.直接+est2.以不发音的e结尾，直接+st3.以“辅元辅”结尾，双写最后一个字母+est4.以辅音+y结尾，变y为i+est5.较长的词前+themost,easiest,prettiest,happiest,thirstiest,dirtiest,themostbeautiful,themostinteresting,tallest,longest,youngest,fastest,nicest,largest,latest,widest,cutest,fattest,biggest,reddest,thinnest,saddest,the,the,the,the,有些形容词比较级的变化是不规则的，需要单独记忆:many-more-themostgood-better-thebestbad-worse-theworst,1.old_2.easy_3.thin_4.nice_5.slow_6.hot_,一.写出下列单词的比较级和最高级。,1.Sheis_us.A.happier/asB.happier/thanC.morehappy/asD.morehappy/than2.Janeis_thanBetty.A.tallerB.tallestC.muchtallD.notastall3.-Whichis_,thecat,themonkeyortheelephant?-Ofcourse,thecatis.A.smallB.smallerC.smallestD.thesmallest4.TheYellowRiverisoneof_riversinChina.AlongBlongerCthelongest,B,A,D,C,二.选出正确的答案。,1Ithinkthiscoatis_thanthatcoat.(big)2Oh,thisshirtis_thanthatshirt.(beautiful)3MyMaths_inmyclass.(good)4Jim_mouse.(notsmall),bigger,morebeautiful,thebest,notassmallas,三.用所给词的适当形式填空。,5.Bobis_(young)thanFredbut_(tall)thanhim.6.Kittyisnotas_(tall)asPat.7.Whichis_(heavy),ahenorachicken?8.-How_(tall)isSally?-Shes1.55metres_(tall).,younger,taller,tall,theheaviest,tall,tall,都有Be动词,句子里都有形容词,